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Ventilation (Hamilton) > Terms, Definitions and Basic Knowledge > Flashcards

Terms, Definitions and Basic Knowledge Flashcards

1
Q

What is meant by the term tidal volume?

A

The amount of air that fills the lungs with each breath

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2
Q

What is meant by the term lung compliance

A

The lungs’ ability to expand and contract

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3
Q

What is meant by the term hypoxia

A

A lack of oxygen absorbed by the tissue to sustain bodily function

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4
Q

What is meant by the term hypoxaemia

A

A lack of oxygen within the blood

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5
Q

What is meant by the term hypercapnia?
What is the value to identify it?

A

1) Retention of Carbon Dioxide in the blood
2) PCo2 >45 on a VBG

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6
Q

What is meant by the term ventilation?

A

Process of moving air in and out of the lungs (ie. Breathing)

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7
Q

What is meant by the term oxygenation?

A

The process of o2 being absorbed into the blood stream

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8
Q

What is meant by the term deadspace ventilation?

A

The volume of ventilated air that doesn’t participate in gas exchange

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9
Q

What is PIP an abbreviation for?
What is meant by the term PIP.

A

1) Peek inspirary pressure
2) The pressure within the lungs at the end of each inspiration

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10
Q

What is PEEP an abbreviation of?
What is meant by the term PEEP?

A

Positive End Expiratory Pressure

The residue pressure left in the lung after an exhale

**picture a door cracked allowing gas to exhange in and out through the door (PEEPing through) if your pco2 is still high, open wider (increase to PEEP through the widened door)

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11
Q

What is meant by the term pressure support?

A

A target pressure that is provided during inspiration to support a spontaneous breath

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12
Q

What is IPAP an abbreviation for?
What is meant by the term IPAP?

A

IPAP = Inspiratory Positive Airway Pressure

The pressure a ventilator delivers to a patient while they inhale

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13
Q

What is EPAP abbreviation for?
What does it do to the lungs

A

1) EPAP is another name for PEEP.
2) It maintains a set pressure and the end of the expiratory phase to hold open the alveoli and acheive better gas exchange

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14
Q

An OG physician says to you I want the following settings
IPAP: 10
EPAP: 5
Tidal vol: 500

What would you set on the Hamilton ventilator to acheive this?

A

Pressure support: 5
PEEP: 5
Tidal Volume 500

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15
Q

Define dyssynchrony

A

Ventilator dyssynchrony is defined as the inappropriate timing and delivery of a mechanical breath in response to patient effort and may cause ventilator induced lung injury

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Ventilation (Hamilton) (3 decks)

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